Hand mixer



FIG. 1 is a perspective view taken from the front, right side and top, illustrating our new design of a hand mixer;

FIG. 2 is a left-side elevation view of our new design;

FIG. 3 is a top plan view thereof;

FIG. 4 is a right-side elevation view thereof;

FIG. 5 is a front elevation view thereof;

FIG. 6 is a rear elevation view thereof; and,

FIG. 7 is a bottom plan view thereof. 

The ornamental design for a hand mixer, as shown and described. 